Home / 2,969.28-4,452.87-1,214.01

Finding the Fourth Proportional to 2,969.28, 4,452.87 and 1,214.01

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Solution

The fourth proportional to 2,969.28, 4,452.87 and 1,214.01 is: 1,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.28 : 4,452.87 = 1,214.01 : x
  2. Step 2: Convert to fraction form
    2,969.28/4,452.87 = 1,214.01/x
  3. Step 3: Cross multiply
    2,969.28x = 4,452.87 × 1,214.01
  4. Step 4: Simplify right side
    2,969.28x = 5,405,828.71
  5. Step 5: Solve for x
    x = 5,405,828.71/2,969.28
  6. Step 6: Final answer
    x = 1,820.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.